Prosecution Insights
Last updated: May 29, 2026

Examiner: ZHANG, TINA

Tech Center 3700 • Art Units: 3785

This examiner grants 56% of resolved cases

Performance Statistics

55.8%
Allow Rate
-14.2% vs TC avg
125
Total Applications
+47.3%
Interview Lift
1253
Avg Prosecution Days
Based on 86 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
2.7%
§102 Novelty
90.8%
§103 Obviousness
5.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19036935 RESPIRATORY OBSTRUCTION REMOVAL DEVICE Non-Final OA DCSTAR INC.
17243106 METHODS OF ASSEMBLING PERSONAL AIR PURIFYING RESPIRATORS Final Rejection FORD GLOBAL TECHNOLOGIES, LLC
17857484 ULTRASOUND-CONTROLLED TRAINING PROGRAM FOR INDIVIDUALIZED AND AUTOMATIC WEANING Non-Final OA Koninklijke Philips N.V.
18109510 SYSTEMS AND METHODS FOR DELIVERY OF THERAPEUTIC GAS Non-Final OA Mallinckrodt Pharmaceuticals Ireland Limited
18007516 FEEDBACK PROVIDING FACIAL MASKS Final Rejection University of Cincinnati
18272222 SPRAYER Non-Final OA NIPRO CORPORATION
18011067 SYSTEMS AND METHODS FOR OPTIMIZING SLEEP COMFORT Non-Final OA ResMed Pty Ltd
17825053 SYSTEM AND METHOD FOR DISPENSING PLANT ESSENCES, BOTANICAL FLUIDS, ISOLATES, AND OTHER DISTILLATES Non-Final OA Hypnos Virtual Inc.
17620794 PLASMA ENHANCED AEROSOL DEVICE Non-Final OA UNIVERSITEIT GENT
17937844 SUBSTANCE DELIVERY MASK Final Rejection NUECOLOGY BIOMEDICAL INC.
18268510 FLEXIBLE ARTICULATING INTUBATION TOOL Non-Final OA TJB Medical, Inc.
18256737 IMPROVEMENTS RELATING TO FACE MASKS Non-Final OA INTERSURGICAL AG
18256566 IMPROVEMENTS RELATING TO FACE MASKS Non-Final OA INTERSURGICAL AG
18040593 Ultrasonic Gas Flow Calibration Device Non-Final OA USCOM Limited
18055960 SYSTEMS AND METHODS OF USING A MECHANICAL VENTILATOR TO FACILITATE THE MOVEMENT OF SECRETIONS Final Rejection Breas Medical AB
17587950 METERED DOSE INHALER Final Rejection Vitapul Inc.
16900817 BREATHING SYSTEM COMPONENT AND A PROCESS FOR THE MANUFACTURE OF THE BREATHING SYSTEM COMPONENT Non-Final OA MAQUET CRITICAL CARE AB

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